@article{ARM_1965_1_1_a5,
     author = {Svoboda, Karel},
     title = {D\'eformation symplectique des congruences de droites},
     journal = {Archivum mathematicum},
     pages = {59--74},
     year = {1965},
     volume = {1},
     number = {1},
     mrnumber = {0211346},
     zbl = {0148.15503},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/ARM_1965_1_1_a5/}
}